>>56 で、Conrad, Keithさんのページ www.math.uconn.edu/~kconrad/blurbs/ Expository papers These were written up for various reasons: course handouts, notes to accompany a talk for a (mathematically) general audience, or for some other purpose that I have since forgotten. If you find typographical or other errors in these files, or have comments, please let me know. Files that are revised will be reposted without any indication that they have been changed (sorry). （以下多数の文献） （引用おわり）
History of class field theory は、上記のAlgebraic number theory の中の一つということがわかる
